Neither the linked bug nor the forum post seem relevant. I have no problem displaying PPM and PNM files. Only PGM files are a problem. It is a different format and as far as I can tell Ristretto has never supported it.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1771227 Title: Ristretto is the default MIME handler for PGM files, even though it cannot display them To manage notifications about this bug go to: https://bugs.launchpad.net/ristretto/+bug/1771227/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs